CN213455741U - 一种智慧城市地下管网水位监测预警装置 - Google Patents
一种智慧城市地下管网水位监测预警装置 Download PDFInfo
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Effective date of registration: 20230906 Address after: 570100 Longqi Community Collective Household, No. 102 Haifu Road, Meilan District, Haikou City, Hainan Province Patentee after: Shi Lei Address before: 510000 room 273, room 274, No. 6, zhongjingsan street, Nansha District, Guangzhou City, Guangdong Province Patentee before: Nanyue talent information technology (Guangzhou) Co.,Ltd. |
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Effective date of registration: 20231009 Address after: Room 04 and 05, 19th Floor, Building 1, Qingyuan Shangjing Community, Xingqing District, Yinchuan City, Ningxia Hui Autonomous Region, 750000 Patentee after: Yellow River Herun Engineering Design Co.,Ltd. Address before: 570100 Longqi Community Collective Household, No. 102 Haifu Road, Meilan District, Haikou City, Hainan Province Patentee before: Shi Lei |